Study on characterization of moderate energy impact response of elastic-plastic plate structure

被引：0
作者：
Xiao, Xin [1 ]
Yin, Xiaochun [1 ]
Wang, Hui [2 ]
Ding, Huaiping [1 ]
Yu, Bo [1 ]
Guo, Yuanyuan [1 ]
Xie, Wenhao [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Phys, Dept Mech & Engn Sci, Nanjing 210094, Peoples R China
[2] Nanjing Tech Univ, Sch Phys & Math Sci, Nanjing 210094, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2024年
基金：
中国国家自然科学基金;
关键词：
Moderate energy impact; elastic-plastic plate; characterization; response type; maximum impact force; LOW-VELOCITY IMPACT; FINITE-ELEMENT; COMPOSITE; PREDICTION; DYNAMICS; CONTACT; LIMITS;
D O I：
10.1080/15376494.2024.2393731
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a study on the characterization of the moderate energy impact response between the elastic-plastic plate and the elastic-plastic sphere. An equivalent contact stiffness is proposed to substitute the linear contact stiffness, and a universal analytical expression is presented according to the intensive FE simulations for different material combinations under moderate impact energy. Then, a modified characterization diagram is suggested using the analytical expression. The modified diagram is validated by the FE simulations and experimental results. The results show the modified diagram can predict the maximum impact force and the response type in a fast and simple way.
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页数：15
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